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-rw-r--r--drivers/iommu/arm-smmu-v3.c24
1 files changed, 1 insertions, 23 deletions
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 18a0fa7dd72d..aa3bd3968290 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1299,12 +1299,6 @@ static irqreturn_t arm_smmu_priq_thread(int irq, void *dev)
return IRQ_HANDLED;
}
-static irqreturn_t arm_smmu_cmdq_sync_handler(int irq, void *dev)
-{
- /* We don't actually use CMD_SYNC interrupts for anything */
- return IRQ_HANDLED;
-}
-
static int arm_smmu_device_disable(struct arm_smmu_device *smmu);
static irqreturn_t arm_smmu_gerror_handler(int irq, void *dev)
@@ -1337,10 +1331,8 @@ static irqreturn_t arm_smmu_gerror_handler(int irq, void *dev)
if (active & GERROR_MSI_EVTQ_ABT_ERR)
dev_warn(smmu->dev, "EVTQ MSI write aborted\n");
- if (active & GERROR_MSI_CMDQ_ABT_ERR) {
+ if (active & GERROR_MSI_CMDQ_ABT_ERR)
dev_warn(smmu->dev, "CMDQ MSI write aborted\n");
- arm_smmu_cmdq_sync_handler(irq, smmu->dev);
- }
if (active & GERROR_PRIQ_ABT_ERR)
dev_err(smmu->dev, "PRIQ write aborted -- events may have been lost\n");
@@ -1369,7 +1361,6 @@ static irqreturn_t arm_smmu_combined_irq_thread(int irq, void *dev)
static irqreturn_t arm_smmu_combined_irq_handler(int irq, void *dev)
{
arm_smmu_gerror_handler(irq, dev);
- arm_smmu_cmdq_sync_handler(irq, dev);
return IRQ_WAKE_THREAD;
}
@@ -2286,15 +2277,6 @@ static void arm_smmu_setup_unique_irqs(struct arm_smmu_device *smmu)
dev_warn(smmu->dev, "failed to enable evtq irq\n");
}
- irq = smmu->cmdq.q.irq;
- if (irq) {
- ret = devm_request_irq(smmu->dev, irq,
- arm_smmu_cmdq_sync_handler, 0,
- "arm-smmu-v3-cmdq-sync", smmu);
- if (ret < 0)
- dev_warn(smmu->dev, "failed to enable cmdq-sync irq\n");
- }
-
irq = smmu->gerr_irq;
if (irq) {
ret = devm_request_irq(smmu->dev, irq, arm_smmu_gerror_handler,
@@ -2803,10 +2785,6 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
if (irq > 0)
smmu->priq.q.irq = irq;
- irq = platform_get_irq_byname(pdev, "cmdq-sync");
- if (irq > 0)
- smmu->cmdq.q.irq = irq;
-
irq = platform_get_irq_byname(pdev, "gerror");
if (irq > 0)
smmu->gerr_irq = irq;